An Italian micromosaic plaque

representing "View on Castel Sant'Angelo and Saint Peter's Basilica", signed (lower left) R.(everenda) F.(abbrica) S.(an) P.(ietro) B. Barzotti, giltwood frame. B.Barzotti was active in the second half of the 19th century and received the authorization to exhibit one of his works at the S.V.M., representing the papal benediction at Piazza Saint Peter's, which realized 2006 in auction 208,800,00€. Bibliography: I Mosaici Minuti Romani, D. Petochi, M. Alfieri, M. G. Branchetti , 22x36 cm.